From b02bd42f84b7a2cd464d8f6f06ef574f4b776b3a Mon Sep 17 00:00:00 2001
From: Efim Poberezkin <efim.poberezkin@gmail.com>
Date: Tue, 12 Jan 2021 21:55:15 +0400
Subject: [PATCH] ci: cache dependencies (#11)

---
 .github/workflows/build.yml | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 11ba564e1..d756219d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,16 +10,25 @@ on:
 
 jobs:
   test:
-
     name: Tests
     runs-on: ubuntu-latest # TODO matrix testing
-
     steps:
-      - uses: actions/checkout@v2
-      - uses: haskell/actions/setup@v1
+      - name: Clone project
+        uses: actions/checkout@v2
+
+      - name: Setup Stack
+        uses: haskell/actions/setup@v1
         with:
           ghc-version: '8.8.3' # Exact version of ghc to use
           # cabal-version: 'latest'. Omitted, but defaults to 'latest'
           enable-stack: true
           stack-version: 'latest'
-      - run: stack test
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ~/.stack
+          key: ${{ runner.os }}-${{ hashFiles('stack.yaml') }}
+
+      - name: Build and run tests
+        run: stack build --test